Home / 11,811.42-17,719.30-4,886.46

Finding the Fourth Proportional to 11,811.42, 17,719.30 and 4,886.46

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Solution

The fourth proportional to 11,811.42, 17,719.30 and 4,886.46 is: 7,330.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,811.42 : 17,719.30 = 4,886.46 : x
  2. Step 2: Convert to fraction form
    11,811.42/17,719.30 = 4,886.46/x
  3. Step 3: Cross multiply
    11,811.42x = 17,719.30 × 4,886.46
  4. Step 4: Simplify right side
    11,811.42x = 86,584,650.68
  5. Step 5: Solve for x
    x = 86,584,650.68/11,811.42
  6. Step 6: Final answer
    x = 7,330.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.